1. A, B, and D. Advantages of block-level storage systems are the following:
Block-level storage systems offer better performance and speed than file-level storage systems.
Each block/storage volume can be treated as an independent disk drive and is controlled by an external server OS.
Each block/storage volume can be formatted with the file system required by the application (NFS/NTFS/SMB).
Block-level storage systems are very popular ...